ATI Rage 128 PRO Ultra GL vs ATI Mobility Radeon HD 4550

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1301not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 1 (2010)Rage 4 (1998−1999)
GPU code nameM92Rage 4
Market segmentLaptopWorkstation
Release date1 January 2010 (14 years ago)1 August 1998 (26 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores80no data
Core clock speed550 MHz130 MHz
Number of transistors242 million8 million
Manufacturing process technology55 nm250 nm
Texture fill rate4.4000.26
Floating-point processing power0.088 TFLOPSno data
ROPs42
TMUs82

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceMXM-IIAGP 4x
Widthno data1-slot
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3, DDR2, DDR3DDR
Maximum RAM amount512 MB16 MB
Memory bus width64 Bit64 Bit
Memory clock speed700 MHz130 MHz
Memory bandwidth11.2 GB/s2.08 GB/s
Shared memory-no data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x VGA

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)6.0
Shader Model4.1no data
OpenGL3.31.2
OpenCL1.1N/A
VulkanN/AN/A

Pros & cons summary


Recency 1 January 2010 1 August 1998
Maximum RAM amount 512 MB 16 MB
Chip lithography 55 nm 250 nm

ATI Mobility HD 4550 has an age advantage of 11 years, a 3100% higher maximum VRAM amount, and a 354.5% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4550 and Rage 128 PRO Ultra GL. We've got no test results to judge.

Be aware that Mobility Radeon HD 4550 is a notebook card while Rage 128 PRO Ultra GL is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Mobility Radeon HD 4550
Mobility Radeon HD 4550
ATI Rage 128 PRO Ultra GL
Rage 128 PRO Ultra GL

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Community ratings

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2.6 35 votes

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5 2 votes

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Questions & comments

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